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authorAlex Deucher <alexdeucher@gmail.com>2010-12-12 23:27:23 -0500
committerDave Airlie <airlied@redhat.com>2010-12-16 10:05:24 +1000
commite5fd205f28f83b3514dc5049b2d1388b10065a6d (patch)
treebd47f207d6e62cc937733836dafcc1c6e2c6938c
parent044102798ddb0a0e5f43ef7fe0ad0e84b0b5e3a0 (diff)
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drm/radeon/kms: disable ss fixed ref divide
Seems to cause problems on certain laptops Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=24462 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Tested-by: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index df2b6f2..3ed27ad 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -530,7 +530,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
dp_clock = dig_connector->dp_clock;
}
}
-
+#if 0 /* doesn't work properly on some laptops */
/* use recommended ref_div for ss */
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
if (ss_enabled) {
@@ -540,7 +540,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
}
}
}
-
+#endif
if (ASIC_IS_AVIVO(rdev)) {
/* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)